Koni FSD Shocks Audi A6 (C5) (1998-2004) Quattro Wheels Sport Kits are the easiest

Sport Kits are the easiest way to upgrade your rotors

The Evolution system

2008-2018 WRX

SPEC aluminum flywheels for the Subaru STI are CNC machined and exceed SFI standards for high stress racing applications

Pipes are made out of heavy duty 6061 aluminum with a black powder coated finish

Koni FSD Shocks Audi A6 (C5) (1998-2004) Quattro Wheels Sport Kits are the easiestThe KONI FSD (Frequency Selective Damping) shock for the Audi A6 (C5) combines excellent road holding and handling characteristics with no compromise comfort levels. The Koni FSD kit for the A6 (C5) provides the driver with firmness for sporty driving on even road surfaces and smoothness for a comfortable ride on uneven road surfaces. It's possible via KONI's patented Frequency Selective Damping technology technology that actively controls the damping